KIEV, March 3 - Ukraine and Russia on Thursday failed to agree on a timeframe for the next meeting between President Viktor Yanukovych and his Russian counterpart Dmitry Medvedev, signaling existence of major problems.

Russia’s First Deputy Prime Minister Igor Shuvalov was in Kiev on Thursday for talks with Serhiy Liovochkin, Yanukovych’s chief of staff, to discuss the upcoming meeting.